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General Fault Codes
Code / LUI
Icon
25
26
27
39
46
47
121
122
123
124
125
SITRANS LUT400
Operating Instructions, 04/2021, A5E33329501-AG
Code /
Meaning
PDM Icon
25
Internal device error.
26
*
Submergence detected.
The transducer appears sub-
merged.
27
Incorrect product model.
Basic model does not support
flow and advanced pump control
features
39
*
Transducer temperature sensor
has failed.
46
*
The TS-3 temperature sensor
failed.
47
Poor signal from the application.
Poor installation or high noise
level.
121
Flow calculations are not config-
ured properly. Incorrect parame-
ter settings.
122
Flow calculations encountered an
error.
123
Flow log could not restore the
settings.
124
Flow log is not configured proper-
ly.
125
Flow log error.
Log failed.
Diagnosing and Troubleshooting
11.3 General Fault Codes
Corrective Action
Reset power. If fault persists,
contact your local Siemens repre-
sentative.
Correct the installation.
Only configure the supported
features.
Inspect attached cabling and any
termination points to ensure no
disconnection or damage; repair/
replace if necessary. If no issue
with cabling, contact your local
Siemens representative.
Inspect attached cabling and any
termination points to ensure no
disconnection or damage; repair/
replace if necessary. If no issue
with cabling, contact your local
Siemens representative.
Verify installation.
Reconfigure the unit. Check the
configuration. If fault persists, do
a master reset.
Reconfigure the unit. Check the
breakpoints. If fault persists, do a
master reset.
Reconfigure the unit. Check the
flow log settings. If fault persists,
do a master reset.
Reconfigure the unit. Check the
flow log settings. If fault persists,
do a master reset.
Verify that the drive where the
log file resides is not full. Copy
the log file to a computer and
delete it from the device.
275
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Table of Contents
Troubleshooting
